Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
dung luong » dung thuong, dung phuong, dung truong
luong tai » dung tai, luong va
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
doan cau » toan cau, doan dau, doanh chau
doan cap » doanh cao, dan ca, toan cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - ((hanh tranh) or (canh tranh)) cua dung luong tai ((doan cau) OR (doan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tranh) OR (canh tranh)) cua dung luong tai ((doan cau) OR (doan cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tranh) or (canh tranh)) cua dung luong tai ((doan cau) OR (doan cap))*".